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BLAIR WILLIAM & CO/IL: TMUS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on TMUS, newest first. How the timeline and the estimate are built.

BLAIR WILLIAM & CO/IL held 14,625 TMUS shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 14,625 shares
    Change vs previous 13F -6,979 shares

    0.01% of the 13F portfolio, value $2,453,001.

    13F-HR 0001104659-26-093821 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 21,604 shares
    Change vs previous 13F +4,321 shares

    0.01% of the 13F portfolio, value $4,537,468.

    13F-HR 0001104659-26-057897 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 17,283 shares
    Change vs previous 13F +2,535 shares

    0.01% of the 13F portfolio, value $3,509,169.

    13F-HR 0001104659-26-015563 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 14,748 shares
    Change vs previous 13F +3,509 shares

    0.01% of the 13F portfolio, value $3,530,470.

    13F-HR 0001104659-25-109927 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 11,239 shares
    Change vs previous 13F +970 shares

    0.01% of the 13F portfolio, value $2,677,708.

    13F-HR 0001104659-25-070274 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 10,269 shares
    Change vs previous 13F -263 shares

    0.01% of the 13F portfolio, value $2,738,859.

    13F-HR 0001104659-25-046545 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 10,532 shares
    Change vs previous 13F -135 shares

    0.01% of the 13F portfolio, value $2,324,668.

    13F-HR 0001104659-25-011872 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 10,667 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $2,201,219.

    13F-HR 0001104659-24-116499 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).